diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 00000000..1489bcee
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,3 @@
+sphinx>=2.0.0,!=2.1.0 # BSD
+openstackdocstheme>=2.2.1 # Apache-2.0
+reno>=3.1.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 1f4b5422..5425fdc7 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,9 +1,6 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-sphinx>=2.0.0,!=2.1.0 # BSD
 pre-commit==1.13.0 # MIT License
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 bashate>=0.5.1  # Apache-2.0
-openstackdocstheme>=2.2.1 # Apache-2.0
-reno>=3.1.0 # Apache-2.0
diff --git a/tox.ini b/tox.ini
index 50df79ba..15cfe9ee 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,6 +44,8 @@ commands =
     python -m pre_commit run -a
 
 [testenv:releasenotes]
+deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+       -r{toxinidir}/doc/requirements.txt
 basepython = python3
 whitelist_externals = bash
 commands = bash -c ci-scripts/releasenotes_tox.sh